Bitnodes estimates the relative size of the Bitcoin peer-to-peer network by finding all of its reachable nodes.


Global Bitcoin nodes by ASN

2139 ASNs with their respective number of global IPv4/IPv6 Bitcoin nodes as of Mon Jul 22 20:00:00 2024 EDT.

Window size: 1-day

NODES50697
COUNTRIES135
CITIES6318
ASNS2139
SERVICES6
PORT NUMBERS272

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RANKASNNODES
1AS7922 COMCAST-7922 2181 (5.16%)
2AS24940 Hetzner Online GmbH 1944 (4.60%)
3AS16509 AMAZON-02 1662 (3.93%)
4AS7018 ATT-INTERNET4 1346 (3.18%)
5AS4837 CHINA UNICOM China169 Backbone 1112 (2.63%)
6AS3320 Deutsche Telekom AG 1061 (2.51%)
7AS14061 DIGITALOCEAN-ASN 808 (1.91%)
8AS16276 OVH SAS 763 (1.80%)
9AS3209 Vodafone GmbH 754 (1.78%)
10AS56047 China Mobile communications corporation 743 (1.76%)
11AS51167 Contabo GmbH 737 (1.74%)
12AS396982 GOOGLE-CLOUD-PLATFORM 714 (1.69%)
13AS701 UUNET 636 (1.50%)
14AS9009 M247 Europe SRL 504 (1.19%)
15AS212238 Datacamp Limited 435 (1.03%)
16AS22773 ASN-CXA-ALL-CCI-22773-RDC 433 (1.02%)
17AS14618 AMAZON-AES 419 (0.99%)
18AS20115 CHARTER-20115 389 (0.92%)
19AS9808 China Mobile Communications Group Co., Ltd. 370 (0.87%)
20AS12322 Free SAS 319 (0.75%)
21AS20001 TWC-20001-PACWEST 302 (0.71%)
21AS21928 T-MOBILE-AS21928 302 (0.71%)
22AS3215 Orange 290 (0.69%)
23AS28573 Claro NXT Telecomunicacoes Ltda 275 (0.65%)
24AS2856 British Telecommunications PLC 251 (0.59%)

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This page reports the estimated size of the Bitcoin peer-to-peer network including both reachable and unreachable nodes, i.e. global nodes. Unlike the low churn rate estimation method for reachable nodes (see the latest snapshot here), the method for this report can only provide a rough estimation and does not filter out potentially spurious nodes that may be gossiped by non-standard/spam/malicious peers.

Bitnodes crawler captures these nodes from the addr messages returned by all the reachable nodes. Each snapshot or data point in this report represents a rolling window. A snapshot with window size of 1 day will include all nodes by IP addresses with timestamps less than 1 day old. The timestamp for a node here refers to the time when its peer last connects to it. If you turn on your Bitcoin node for only a few minutes anytime during the last 24 hours, it will be included in the latest snapshot with a window size of 1 day.

Multiple nodes from the same IP address, but different port numbers are counted as one node in this report. A larger window size may increase the likelihood of the same node being counted more than once due to e.g. IP lease renewal.

A Bitcoin node may be unreachable for several reasons. It may be configured by the operator to only attempt to make outgoing connections or it may be located behind corporate/ISP firewalls or NAT. A node could also become temporarily unreachable if it has hit its maximum allowed connections or if it is in the process of syncing up to the latest blocks. As it is impossible to connect to an unreachable node directly, we cannot reliably confirm the true existence of an unreachable node, hence the rough estimation.


Join the Network

Be part of the Bitcoin network by running a Bitcoin full node, e.g. Bitcoin Core.

Use this tool to check if your Bitcoin client is currently accepting incoming connections from other nodes. Port must be between 1024 and 65535.